Job Id : 10349
Posted : 2026-05-14
Industry : Information Technology and Services
Employment Type : Full Time, Permanent
Required Skills : Telco Cloud, Bare Metal, Linux, OpenStack, OpenShift, VMware, Dockers
City : Tokyo
State : Tokyo
Country : Japan
Annual Salary : ¥8,000,000 ~ ¥10,000,000
Job Description
Appealing Points:
- Opportunity to lead end-to-end deployment, upgrade, and integration of critical Subscriber & Signalling nodes in advanced 4G/5G Telco Cloud environments
- Hands-on experience across Bare Metal, VNF, and CNF architectures with modern cloud technologies such as Linux, OpenStack, OpenShift, VMware, and containers
- Strong technical leadership role involving customer-facing delivery, HLD/LLD implementation, advanced troubleshooting, and mentoring junior engineers for accelerated career growth
Annual salary: 8 Million and above
Job Responsibility:
- Lead and execute end-to-end deployment, upgrade, and integration of Subscriber and Signalling/SDM/SDL nodes on Telco Cloud (4G/5G) platforms.
- Own deployments across Bare Metal, VNF, and CNF environments, ensuring stability and performance as per customer requirements.
- Provide deep technical expertise in 4G/5G call flows, signalling, and subscriber data management during implementation and troubleshooting.
- Independently analyse and resolve complex customer issues using logs, alarms, and packet analysis tools such as Wireshark.
- Work extensively on Linux and cloud platforms (VMware, OpenStack, OpenShift, Docker/Containers) for deployment and operations support.
- Review, interpret, and contribute to HLD/LLD for Subscriber and Signalling solutions aligned with customer network architecture.
- Support system integration, acceptance testing, and cutover activities in live customer environments.
- Act as a technical lead for small teams, guiding junior engineers and reviewing their work during deployments.
- Collaborate with cross-functional teams and customers, providing technical leadership, clear communication, and status updates.
- 5+ years of overall experience, with a minimum of 2 years in the Subscriber & Signalling domain
- Strong communication, team-handling, analytical, and presentation skills
Job Qualification:
- Good working experience in Linux, VMWare, Dockers & Containers, OpenStack, Openshift
- Should have prior experience in deploying Subscriber & Signalling nodes as Bare Metal Nodes/VNF's/CNF's.
- Sound understanding of troubleshooting tools like Wireshark etc.
- Domain:
- Should have deep knowledge of 4G and 5G call flows
- Should have end to end understanding of the Subscriber and Signalling/SDM Solution in Telco Cloud
- Should understand the Cloud environment and Knowledge of how Subscriber & Signalling solution/SDM Nodes can be deployed over cloud.
- Should have expertise in installing, upgrading, integration different Subscriber and Signalling nodes.
- Should be able to follow HLD / LLD for the S&S Nodes as per the Customer solutions.
- Working knowledge on Subscriber & Signalling Nodes like -AAA, One NDS, SDL (Shared Data Layer), Registers (HLR/HSS, UDM/AUSF), One-EIR, SCP, CSD, STP, U-DDRA, NPCEIR etc.
- Mandatory Skills: Telecom 5G Wireless OAM SW .
Language Skills: Business level Japanese (JLPT N2) and Fluent level English
Company Description:
A leading global information technology, consulting, and business process services company. We harness the power of cognitive computing, hyper-automation, robotics, cloud, analytics, and emerging technologies to help our clients adapt to the digital world and make them successful. A company recognized globally for its comprehensive portfolio of services, a strong commitment to sustainability, and good corporate citizenship, we have over 160,000 dedicated employees serving clients across six continents. Together, we discover ideas and connect the dots to build a better and bold new future.
[Measures against passive smoking]
No smoking indoors allowed
Designated smoking area